Camrbell. (1964). The oxford book of birds (4th ed.). Oxford University Press.
Chicago Edition CitationCamrbell. The Oxford Book of Birds. 4th ed. Oxford University Press, 1964.
MLA引文Camrbell. The Oxford Book of Birds. 4th ed. Oxford University Press, 1964.
警告：這些引文格式不一定是100％准確.